208425 has 24 divisors (see below), whose sum is σ = 394816. Its totient is φ = 95040.

The previous prime is 208409. The next prime is 208433. The reversal of 208425 is 524802.

208425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 208425 - 2⁴ = 208409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 208425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327 + ... + 723.

2²⁰⁸⁴²⁵ is an apocalyptic number.

208425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

208425 is a deficient number, since it is larger than the sum of its proper divisors (186391).

208425 is a wasteful number, since it uses less digits than its factorization.

208425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 208425 is about 456.5358693465. The cubic root of 208425 is about 59.2902484280.

The spelling of 208425 in words is "two hundred eight thousand, four hundred twenty-five".